Hydrogen Permeation of Pd-Free V-Based Metallic Membranes for Hydrogen Separation and Purification

被引：8

作者：

Kim, Cheol-Young ^{[1
]}

Chin, Hong-Seok ^{[1
]}

Yoo, Gu ^{[1
]}

Park, Kyoung-Won ^{[1
]}

Fleury, Eric ^{[1
]}

机构：

[1] Korea Inst Sci & Technol, Ctr High Temp Energy Mat, Seoul 136791, South Korea

来源：

PRICM 7, PTS 1-3 | 2010年 / 654-656卷

关键词：

Hydrogen permeation; metal membrane; catalyst; hydrogen dissociation; AMORPHOUS ALLOY; VANADIUM;

D O I：

10.4028/www.scientific.net/MSF.654-656.2831

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

With the aim of replacing Pd coating layer currently used for the dissociation and recombination of hydrogen molecules, the performance of Nb and Ta thin layers as catalystforhydrogen permeationwas evaluated at 673 K. Although not as efficient as Pd, Nb and Ta coating layers can nevertheless provide a reasonable H(2) dissociation and recombination rates. Thereduced values of hydrogen permeabilityin comparison to that of Pd were explained by the reduced catalytic properties of Nb and Ta and the formation of hydrides on the surface.

引用

页码：2831 / 2834

页数：4

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